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Analog Electronics

Analog Electronics
What is the input impedance of a common-gate configured JFET?

  Low.
  Very high.
  Very low.
  High.

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Analog Electronics
The output voltage of an emitter follower is across the

 emitter diode.
 emitter diode and external AC emitter resistance.
  load resistor.
 DC collector resistor.

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Analog Electronics
The CE amplifier circuit are preferred over CB amplifier circuit because they have

  none of these.
  larger amplification factor.
  high input resistance and low output resistance.
  lower amplification factor.

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Analog Electronics
The room temperature resistivity of pure silicon is

 6
 50
 3000
 300

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Analog Electronics
In a zener diode shunt voltage regulator, the diode regulates so long as it is kept in ______________________ condition.

  reverse.
  forward.
  loaded.
  unloaded.

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Analog Electronics
The silicon transistor are more widely used than germanium transistors because

  they have smaller depletion layer.
  they have larger electric current carrying capacity.
  they have better ability to dissipate heat.
  they have smaller leakage current.

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